module.exports = {
    css: {
        loaderOptions: {
               css: {
                       // options here will be passed to css-loader
               },
         postcss: {
                    // options here will be passed to postcss-loader
                    plugins: [require('postcss-px2rem')({
                              remUnit: 37.5,//设计稿的 十分之一
                              "exclude": /node_modules/i
                    })]
               }
          }
      }
}